1.The coal mining industry is affected by the nuclear power.
2.Pottery was made by them here in the 18th century.
3.The glass industry was developed by them over 100 years ago.
4.The production of steel would increased by them .
Pasiva se formeaza transformand complementul in subiect , iar subiectul in complement. Se utilizeaza vb to be la trecut + verbul conjugat la forma a 3-a. Insa mai exista si cazuri speciale ( ultima propozitie) , cand will este pus la trecut.